﻿// ———————————————————————–
// <copyright file="LocationCylinderType.cs" company="The MITRE Corporation">
//    Copyright (c) 2014 The MITRE Corporation. All rights reserved.
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
//    http://www.apache.org/licenses/LICENSE-2.0
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.
// </copyright>
// ———————————————————————–
/////////////////////////////////////////////////////////////////////////////////////////////////
// LocationCylinderType.cs:
// A data type for a cylinder described with WGS84 coordinates and meters.
// Project: IC.NET - EDXL Library
//
// Language:    C#, .NET 4.0
// Platform:    Windows 7, VS 2012
// Author:      Jim Cronin MITRE Bedford

/////////////////////////////////////////////////////////////////////////////////////////////////

// Copyright (c) 2014 The MITRE Corporation. All rights reserved.
//
// NOTICE
// This software was produced for the U. S. Government
// under Contract No. FA8721-09-C-0001, and is
// subject to the Rights in Noncommercial Computer Software
// and Noncommercial Computer Software Documentation Clause
// (DFARS) 252.227-7014 (JUN 1995)

using System;
using System.Xml;

namespace EDXLSharp.NIEMCore
{
  /// <summary>
  /// A data type for a cylinder described with WGS84 coordinates and meters.
  /// </summary>
  public abstract class LocationCylinderType : ComplexTypeBase
  {
    /// <summary>
    /// A 3D geometric point, defined by a single coordinate tuple with values from
    /// the WGS84 coordinate note system.
    /// </summary>
    public LocationPoint LocationPoint;

    /// <summary>
    /// The radius of a cylinder, measured in meters.
    /// </summary>
    public decimal? LocationCylinderRadius;

    /// <summary>
    /// One-half of the height of a cylinder, measured in meters.
    /// </summary>
    public decimal? LocationCylinderHalfHeight;

    /// <summary>
    /// A data concept for indicating the method used to generate a location.
    /// </summary>
    public LocationCreationCode LocationCreationCode;

    /// <summary>
    /// Writes this Object to an inline XML Document
    /// </summary>
    /// <param name="xwriter">Valid XMLWriter</param>
    /// <exception cref="System.ArgumentNullException">Thrown if xwriter is null</exception>
    /// <exception cref="EDXLSharp.ValidationException">Thrown if the object fails to validate</exception>
    public override void WriteXML(XmlWriter xwriter)
    {
      if (xwriter == null)
      {
        throw new ArgumentNullException("xwriter");
      }

      this.Validate();

      xwriter.WriteStartElement(this.ElementPrefix, this.ElementName, this.ElementNamespace);
      this.LocationPoint.WriteXML(xwriter);
      if (this.LocationCylinderRadius.HasValue)
      {
        xwriter.WriteElementString("LocationCylinderRadiusValue", this.ElementNamespace, this.LocationCylinderRadius.Value.ToString());
      }
      if (this.LocationCylinderHalfHeight.HasValue)
      {
        xwriter.WriteElementString("LocationCylinderHalfHeightValue", this.ElementNamespace, this.LocationCylinderHalfHeight.Value.ToString());
      }
      if (this.LocationCreationCode != null)
      {
        this.LocationCreationCode.WriteXML(xwriter);
      }
      xwriter.WriteEndElement();
    }

    /// <summary>
    /// Reads this Object's values from an XML nodelist
    /// </summary>
    /// <param name="rootnode">root XML Node of the Object element</param>
    /// <exception cref="System.ArgumentNullException">Thrown if rootnode is null</exception>
    /// <exception cref="System.ArgumentException">Thrown if the rootnode is not the correct type</exception>
    /// <exception cref="EDXLSharp.ValidationException">Thrown if the object fails to validate</exception>
    public override void ReadXML(XmlNode rootnode)
    {
      if (rootnode == null)
      {
        throw new ArgumentNullException("rootnode");
      }
      if (rootnode.LocalName != this.ElementName)
      {
        throw new ArgumentException("Unexpected element " + rootnode.LocalName + " instead of " + this.ElementName);
      }

      foreach (XmlNode node in rootnode.ChildNodes)
      {
        switch (node.LocalName)
        {
          case "LocationPoint":
            if (this.LocationPoint != null)
            {
              throw new ArgumentException("There should only be a single point.");
            }
            this.LocationPoint = new LocationPoint();
            this.LocationPoint.ReadXML(node);
            break;
          case "LocationCylinderRadiusValue":
            if (this.LocationCylinderRadius != null)
            {
              throw new ArgumentException("There should only be a single radius.");
            }
            decimal rad;
            if (decimal.TryParse(node.InnerText, out rad))
            {
              this.LocationCylinderRadius = rad;
            }
            else
            {
              throw new ArgumentException("Invalid value provided for LocationCylinderRadiusValue:" + node.InnerText);
            }
            break;
          case "LocationCylinderHalfHeightValue":
            if (this.LocationCylinderHalfHeight != null)
            {
              throw new ArgumentException("There should only be a single half height.");
            }
            this.LocationCylinderHalfHeight = null;
            decimal hh;
            if (decimal.TryParse(node.InnerText, out hh))
            {
              this.LocationCylinderHalfHeight = hh;
            }
            else
            {
              throw new ArgumentException("Invalid value proided for LocationCylinderHalfHeightValue: " + node.InnerText);
            }
            break;
          case "LocationCreationCode":
            if (this.LocationCreationCode != null)
            {
              throw new ArgumentException("There should only be a single creation code.");
            }
            this.LocationCreationCode = new LocationCreationCode(node.InnerText);
            break;
          default:
            throw new ArgumentException("Unexpected element " + node.LocalName + " in " + this.ElementName);
        }
      }

      this.Validate();
    }

    /// <summary>
    /// Validates This Message element For Required Values and Conformance
    /// </summary>
    /// <exception cref="EDXLSharp.ValidationException">Thrown if the object fails to validate</exception>
    public override void Validate()
    {
      if (this.LocationPoint == null)
      {
        throw new ValidationException("LocationPoint missing from " + this.ElementName);
      }
      this.LocationPoint.Validate();

      if (this.LocationCylinderRadius == null)
      {
        throw new ValidationException("LocationCylinderRadius missing from " + this.ElementName);
      }
      if (this.LocationCylinderHalfHeight == null)
      {
        throw new ValidationException("LocationCylinderHalfHeight missing from " + this.ElementName);
      }

      if (this.LocationCreationCode != null)
      {
        this.LocationCreationCode.Validate();
      }
    }
  }
}